from tkinter import *
root = Tk()
root.title('Марафон. Этап 1')
root.geometry("500x500")
canvas = Canvas(bg = "white", width = 450, height = 450)
canvas.pack(anchor = CENTER, expand = 1)
x = int(input())
y = int(input())
k = int(input())
if x<0 or y<0 or x + 30 *k > 450 or y + 20 > 450 or x + 30 *k < 0 or y + 20 *k < 0 :
    print("NO")
else:
 canvas.create_rectangle(x, y, x + 10*k, y + 10*k, fill = "blue", outline = "blue")

 canvas.create_rectangle(x, y + 10*k, x + 30*k, y + 20*k, fill = "blue", outline = "blue")

 canvas.create_rectangle(x + 20*k, y, x + 30*k, y + 10*k, fill = "blue", outline = "blue")
